Number of permutations of [n] with exactly nine (possibly overlapping) occurrences of the generalized pattern 12-3.
A264458
Number of permutations of [n] with exactly nine (possibly overlapping) occurrences of the generalized pattern 12-3.
Terms
- a(0) =1a(1) =39a(2) =859a(3) =14531a(4) =211877a(5) =2822490a(6) =35642278a(7) =437300537a(8) =5296987965a(9) =63998700926a(10) =776411239316
External references
- oeis: A264458